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3 years ago

Explain how to plot a point when given the coordinates.

Mathematics

1 answer:

velikii [3]3 years ago

7 0

Here's the answer right here

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Which of the following weights would you expect to be suitable for weighing on an ordinary bathroom scale?

Ierofanga [76]

Answer:

c) $4.10^{6} cg$ =40Kg

Step-by-step explanation:

To find the answer we have to put all the options in the same unit, so we are going to use Kg.

a) 2500 μg

μ $=1.10^{-6}$

Replacing the value of μ:

$2500.1.10^{-6} g=\\ 2500.10^{-6} g$

<u><em>Observation:</em></u> 1 g = 0.001 Kg, 1 g= $1.10^{-3}$ Kg

$2500.10^{-6} g=\\ =2500.10^{-6}.10^{-3}Kg\\=2500.10^{-9}Kg$

$2500.10^{-9}Kg=0.000002500 Kg$

This number is very small so it's no suitable for weighing on an ordinary bathroom scale.

b) $5.10^{-4}Kg$

This value is already in kilograms,

$5.10^{-4} kg=0,0005 Kg$

But it's small. It's not suitable for weighing on an ordinary bathroom scale.

c) $4.10^{6} cg$

Centigrams: cg= $1.10^{-5} Kg$

Then,

$4.10^{6} cg=4.10^{6}.10^{-5}Kg\\ =4.10^{1} Kg\\ =40 Kg$

This value it's suitable for weighing on an bathroom scale.

d) $5,5.10^{8} dg$

Decigrams: dg= $1.10^{-4} Kg$

Then,

$5,5.10^{8} dg=5,5.10^{8}.10^{-4}Kg\\ =5,5.10^{4} Kg\\ =55000 Kg$

This value is too big for a bathroom scale. Usually the limit for an ordinary bathroom scale is between 140-150 Kgs.

e) $2,0.10^{7} mg$

Miligrams: mg= $1.10^{-6} Kg$

Then,

$2,0.10^{7} mg=2,0.10^{7}.10^{-6}Kg\\ =2,0.10^{1} Kg\\ =20 Kg$

This could be a right answer too but it all depends on the scale. There are some scales whose minimum weight is 30Kg. So the right answer is c)

5 0

4 years ago

Help????????????????

valentina_108 [34]

Area of the base=
5×12=60 square inches.
Area of two triangles=
4.3×5=21.5 square inches
Area of the other two sides=
5×12×2=120 square inches.

60+21.5+120=201.5 square inches is your final answer. Hope it help!

5 0

4 years ago

What is 5 to the power of 8 over 5 to the power of 3 multiplied by 4

klio [65]

Answer:

12500

Step-by-step explanation:

im just in middle school but if I did this correctly then it should be 12500.

first set up your equation

then do your exponents

then divide your nomonator by your denomonator

then multiply that number by 4

6 0

3 years ago

Read 2 more answers

A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 40% 40 % of this population pref

kirill [66]

Answer: 60% would like another color

Step-by-step explanation:

3 0

3 years ago

What is the range of the function f(x)=2x+4f⁢(x)=2x+4 when the domain is {-2, 0, 3}?

salantis [7]

D. All real numbers is the answers

4 0

3 years ago